在If引出的条件状语从句中,一般不能用will.但在这种从句中,有时也可用will或would,现阐述如下:(一)will用作助动词,在If条件状语从句中纯粹表示将来:在If状语从句里用will纯粹表示将来是可以的,但必须注意这种用法只能用在:主句所叙述的内容必须是指现在的事情.即使主句用将来时, In the conditional adverbial clause derived from If, it is generally not possible to use will. But in this clause, it is sometimes also possible to use will or shall. It is elaborated as follows: (a) Will will be used as an auxiliary verb, and it will be purely indicative of the future in an If conditional adverbial clause: It would be possible to use will to represent the future purely in the IF clause, but it must be noted that this usage can only be used in: The content of the main sentence must refer to the present. Even if the main clause is used in the future,